<template>
  <div class="login-container">
    <div class="loginLogo">
      <el-form
        ref="loginForm"
        :model="loginForm"
        :rules="loginRules"
        class="login-form"
        auto-complete="on"
        label-position="left"
      >
        <div class="title-container">
          <p class="title">员工登录</p>
        </div>

        <el-form-item prop="usercode" style="margin-bottom: 30px;">
          <span class="svg-container">
            <svg-icon icon-class="user" />
          </span>
          <el-input
            ref="usercode"
            v-model="loginForm.usercode"
            placeholder="请输入账号"
            name="usercode"
            type="text"
            tabindex="1"
            auto-complete="new-password"
          />
        </el-form-item>

        <el-form-item prop="password">
          <span class="svg-container">
            <svg-icon icon-class="password" />
          </span>
          <el-input
            :key="passwordType"
            ref="password"
            v-model="loginForm.password"
            :type="passwordType"
            placeholder="请输入密码"
            name="password"
            tabindex="2"
            auto-complete="new-password"
            @keyup.enter.native="submitForm('loginForm')"
          />
          <span class="show-pwd" @click="showPwd">
            <svg-icon
              :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"
            />
          </span>
        </el-form-item>

        <div class="rememberMebox">
          <el-checkbox v-model="checked" class="rememberMe">记住我</el-checkbox>
        </div>

        <!-- @click.native.prevent="handleLogin" -->
        <div style="display: flex; justify-content: center;">
          <el-button
            :loading="loading"
            type="primary"
            style="width: 275px; margin: 45px auto; background-color: black; border-color: black;"
            @click.native.prevent="submitForm('loginForm')"
          >登录</el-button>
        </div>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: 'Login',
  data() {
    return {
      loginForm: {
        usercode: '',
        password: '',
        type:1
      },
      loginRules: {
        usercode: [{ required: true, trigger: 'blur', message:'请输入账号'}],
        password: [{ required: true, trigger: 'blur', message:'请输入密码' }],
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined,
      Base64: '',
      checked: false,
    }
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true,
    },
  },
  mounted() {
    this.Base64 = require("js-base64").Base64;
    let username = localStorage.getItem("usercode");
    if (username) {
      this.loginForm.usercode = localStorage.getItem("usercode");
      this.loginForm.password = this.Base64.decode(localStorage.getItem("password"));// base64解密
      this.checked = true;
    }
    if (document.documentElement.style.fontSize != '') {
      document.documentElement.style.fontSize = '';
      this.$router.go(0);
    }
  },
  methods: {
    submitForm(formName) {
      this.$refs[formName].validate((valid) => {
        if (valid) {
          /* ------ 账号密码的存储 ------ */
          if (this.checked) {
            let password = this.Base64.encode(this.loginForm.password); // base64加密
            localStorage.setItem("usercode", this.loginForm.usercode);
            localStorage.setItem("password", password);
          } else {
            localStorage.removeItem("usercode");
            localStorage.removeItem("password");
          }
          /* ------ http登录请求 ------ */
          this.handleLogin();
        } else {
          console.log("error submit!!");
          return false;
        }
      });
    },
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      this.$refs.loginForm.validate((valid) => {
        if (!valid) return
        this.loading = true
        this.$store
          .dispatch('user/login', this.loginForm)
          .then(() => {
            this.$router.push({ path: this.redirect || '/' })
            this.loading = false
          })
          .finally(() => {
            this.loading = false
          })
      })
    },
  },
}
</script>

<style>
  .rememberMebox{
    height: 30px;
    width: 438px;
    margin: 0 auto;
    position: relative;
  }
  .rememberMe{
    position: absolute;
    right: 0px;
    margin-top: 15px;
  }
</style>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  height: 100vh;
  margin: 0px;
  background: url(../../../assets/home/LoginBackGround.png) no-repeat fixed center;
  background-size: cover;
  display: flex;
  justify-content: center;
  align-items: center;


  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
    width: 438px;
    margin: 0 auto;
  }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    width: 100%;
    /* position: relative; */
    /* width: 520px; */
    /* max-width: 100%; */
    /* padding: 160px 35px 0; */
    /* margin: 0 auto; */
    /* overflow: hidden; */
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;
    height: 107px;
    display: flex;
    justify-content: center;
    align-items: center;

    .title {
      font-size: 26px;
      color: $light_gray;
      /* margin: 0px auto 40px auto; */
      margin: 0px;
      text-align: center;
      -webkit-user-select: none;
      -moz-user-select: none;
      -ms-user-select: none;
      user-select: none;
      /* font-weight: bold; */
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>

<style>
  .loginLogo{
    background-image:url('../../../assets/home/LoginLogo.png');
    background-repeat:no-repeat;
    background-size:contain;
    display: flex;
    width: 610px;
    height: 444px;
  }
</style>
